Oil-tank for motor-cycles.



L. H. COBB.

oIL TANK FOR MoToR CYCLES.

A PPPPPPPPP N F1 L E D 0 GT. 11111 2.

Patented Oct. 13, 1914.

2 SSSSSSSSSSS T 14 ZI-@verdor ymanH 60H1 'orneg L. H. COBB.

OIL TANK POR MOTOR. CYCLES. APPLICATION YILBD 0092.3, 1912.

Y 1,113,308. Patented 00n.13,1914.

2 SHEETS-SHEET 2.

Inventor Lyman/H6052).

1 @y QP. ajorney nNiTnr) sTATns PATENT onirica.l j

LYMAN H. COBB, or Frazer-muse, ivinssacrrosnrrs, AssIGNoR To MARY nriIzAnE'rH JOHNSON, TRUSTEE, OF FITCHBUR-G, MASSACHUSETTS.

OIL-TANK FOB MOTOR-CYCLES.

Specification of Letters Patent.

application inea october s, 191e. serial No. 723,690.

To all whom t'tpmay concern.'

Be it known that I, LYMAN I-I. COBB, a citizen of the United States, residing at Fitchburg, in the county of Worcester and Commonwealthof Massachusetts, have inventedl a new and useful Improvement in Oil-Tanks for Motor-Cycles, of whichthe following is a specification, accompanied by drawings forming a part of the same.

Thel object of my present invention is to l provide an oil tank of ample capacity for use in a motorcycle, in convenient position to supply vfuel to the engine and lubricating oil to the running parts of the machine without interfering with the rider. I accomplish this object,` among others, by means of an oil receptacle horizontally divided into upper and lower chambers and suspended beneath the backbone of the framework as hereinafter described, the novel features being pointed out in the anneXed claims.

Referring to the accompanying drawings, Figurel 1 represents a side view of a motorcycle containing, suspended within the framework, an oil receptacle embodying my present invention. Fig. 2 is a plan View of the same, and Fig. 3 is a verticle sectional view of the oil receptacle.

Similar reference characters refer to similar parts in the different figures.

Referring to Fig. 1, which represents a sidey view of the framework of a motorcycle, 1 denotes that portion of the framework known as the backbone, beneath which I suspend my improved oil receptacle 2 by means of straps 3. The oil receptacle 2 is constructed of sheet metal, adapted in outline to it beneath the backbone 1 and substantially fill the space between the front and rear braces 4 and 5 and between the backbone 1 and a truss rod or tube 6. The forward end of the receptacle is wider than the rear end and is provided with a horizontal partition 7, tangential to the curved bottom of the receptacle at its rear end and joined to the bottom a short distance from the rear end of the receptacle. The partition 7 divides the receptacle into two separate chambers 8 and 9, the chamber 8 having its lowest point at the eXtreme rear end of the receptacle which is provided with a tube 10 leading` to the carbureter of the engine. The chamber 9 communicates at its lowest point with a tube 11 leading to the crank case y12 of the engine.A The communication between the tube 11 and the chamber 9 is through two` valve controlled passages provided with check valves 13 and 14 of any suitable `form of construction, said ycheck valves opening in opposite directions, the check valve 13 permitting the flow of oil from' the chamber. 9, but preventing its return, while the check valve 14 permits the fiow of oil into the tube 11, but prevents its return.

The tube 11 and the valve controlled'l pas- 'sages .communicate with a pump cylinder '15 having a piston 16 and a piston rod 18 provided at its outer end with a handle 19. By the reciprocating movement of the pump piston, oil will be drawn past the check valve 18 from the chamber 9 into the pump cylinder and forced past the check valve 14 through the tube 11 into `the crank case 12. V

The handle 19 is located at one side of the backbone 1 and in front of a seat 20, in convenientposition to be operated by the rider. A feed pipe 21 extends through the chamber 8 into the chamber v9l and is closed by a cap 22, and the chamber 8 is provided with a feed opening 23 closed by a cap 24.` Fuel for the engine is supplied to the chamberv 8 and lubricating oil is supplied to the chamber 9. The flow of fuel to the carbureter 25 is controlled by any suitable means such as is now employed for that purpose.v Lubricating oil is supplied from the chamber 9 to the crank case 12 bythe reciprocating` movement of the pump piston 16, as alreadv described. In the present instance the pump is connected by valve controlled passages with both the oil chamber 9v and the crank case 12; but, if desired, other pumps may be added for the purpose of forcing lubricating oil to other operative parts of the machine.

I claim,

1. An oil tank for motorcycles, comprising a receptacle adapted to be suspended from the framework of the motorcycle, having a curved bottom with the opposite ends of the bottom lowery than the central portion, a partition extending from the highest point of the bottom to one end forming an upperl and a lower chamber, a pipe-connecting one end of the upper chamber with the carbureter, and a pipe connecting said lower chamber with the crank case.-

2. An oil receptacle for a motorcycle having. an arched bottom, one end of which is lower than the other end,'a partition extending from an intermediate point in the length of the bottom and dividing the receptacle into independent superposed chainbers, and means, passingl through the np- ]er chamber,` for affording communication With the lower chamber.

3. An oil receptacle for a motorcycle having an arched bottom, a partition extending from an intermediate point in the length of said bottom to one end of the receptacle, and dividing said receptacle into independent superposed chambers, the bottom of each chamber constituted by' the said arched bottom of the receptacle.

4. An oil receptacle for a motorcycle havi ing an arched bottom, a partition Within said receptacle tangential to said arched bottoni at its highest point and extending from said point to one end of the receptacle, to form independent superposed chambers, and meansextending through said partition, for aiiording communication With the lower of said chambers.

5. An. oil receptacle for a motorcycle having an arched bottom, a partition extending from the highest point of said arched bottoin to one end of said receptacle to form independent superposed chambers therein, and outlet pipes, located `at the eXtreme ends 1 of said arched bottom of the receptacle, for

each of said chambers.

Dated this rst day of October', 1912.

L YMAN H. COBB.

Copies of this patent may he obtained for ve cents each, by addressing the Commissioner of Patents, Washington, D. C. 

